{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["geographical phenomenon", "astronomical object", "time"], "input": "After a recurrence of infection in August 2012 , while staying at Balmoral Castle , he was admitted to Aberdeen Royal Infirmary for five nights as a precautionary measure ."}
{"geographical phenomenon": [], "astronomical object": [], "time": []}